In addition to the definitions prescribed under R17-4-101, A.R.S. §§ 28-101, 28-2231, and 28-5100, the following definitions apply to this Article, unless otherwise specified:

“Apportioned commercial vehicle” means a commercial vehicle that is subject to the proportional registration provisions prescribed under A.R.S. § 28-2233.

“Biennial” means once every two years.

“Calendar quarter” means the following time periods established by the Department: January 1 to March 31, April 1 to June 30, July 1 to September 30, and October 1 to December 31.

“Drop box” means a receptacle designated by the Department into which a person places vehicle registration forms and fees, and from which the Department retrieves these items daily.

“Effective date of registration” means the date the vehicle first becomes subject to registration fees in Arizona.

“Electronic delivery” means the transmission of registration and credit card information to the Department, by computer, through an authorized third party electronic service provider.

“Emergency Vehicle Permit” means a document issued by the Department’s Enforcement and Compliance Division to a private fire department for a single fire engine that authorizes the driver of a permitted vehicle to exercise the privileges prescribed under A.R.S. § 28-624.

“Expiration date” means the day, month, and year in which a vehicle registration expires.

“Fire Engine” means a motor vehicle containing fire-fighting equipment capable of extinguishing fires.

“IM147 Test” means the emissions test prescribed under A.R.S. § 49-542(F)(2)(a).

“OBD” means the On-Board Diagnostics emissions test prescribed under A.R.S. § 49-542(F)(2)(a).

“Off-highway vehicle” has the same meaning as prescribed under A.R.S. § 28-1171.

“Operator Requirements” means the requirements given in Chapter 2, Basic Driver/Operator Requirements, of the National Fire Protection Association Standard for Fire Apparatus Driver/Operator Professional Qualification (NFPA 1002), 1998 edition, which is incorporated by reference and on file with the Arizona Department of Transportation. This incorporation by reference contains no future editions or amendments.

“Personalized plate” means a vehicle license plate that displays a plate number chosen by a person rather than a plate number assigned by the Department.

“Private fire department” means a fire fighting business equipped to provide emergency fire-fighting devices for a private purpose that is neither a public service corporation nor a municipal entity.

“Private Fire Emergency Vehicle” means a fire engine operated by a private fire department for which an Emergency Vehicle Permit is issued.

“Registration period” means the time-frame during which a vehicle registration is valid.

“Renewal registration” means the second and subsequent registration of an included vehicle.

Historical Note

Transferred to R17-1-301 (Supp. 92-4). New Section made by final rulemaking at 13 A.A.R. 3589, effective December 1, 2007 (Supp. 07-4). Amended by final rulemaking at 16 A.A.R. 1132, effective August 7, 2010 (Supp. 10-2). Amended by final rulemaking at 31 A.A.R. 4695 (December 26, 2025), effective February 1, 2026 (Supp. 25-4).